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DARPA wants to modulate your nerves. The research agency's new Electrical Prescriptions (ElectRx) program is designed to discover the science and the technology that will stimulate the peripheral nervous system to detect and fight diseases. The nerves in this complex system are critical to all sensory and motor signal communications in the body. They constantly maintain and monitor your health status. When these nerves pick up a disruption, like an infection or injury, they trigger an automatic response in the brain or spinal cord that adjusts the workings of an affected organ to activate healing. But sometimes, when a disease compromises this natural flow of signals, the nerves produce a signal of pain or lead to autoimmune disorders, even diabetes. ElectRx is designed to address this glitch in the human system.

Blocks' modular smartwatch

After a long, long development process, Blocks is getting relatively close to releasing its modular smartwatch -- and it wants your help making that final push. The startup has launched a Kickstarter campaign to fund its customizable wristwear. Pledge $195 and you'll get the circular core watch, which gives Android devices and iPhone the fundamentals like activity tracking, phone alerts and voice control. However, things get really interesting when you drop $250 or more -- you'll get at least four modules that can add everything from advanced fitness tracking to GPS to mobile payments. The hope is that you'll get just the smartwatch you want, rather than settling for whatever other manufacturers feel like giving you.

Testing the XM25

After years of work, Orbital ATK (born from Orbital Sciences) is close to delivering a clever weapon that could help American soldiers in very tricky situations. As of early 2016, the US Army will start acceptance testing for the XM25, a smart grenade launcher that can defeat enemies behind cover. In normal use, all you have to do is point at an enemy (up to 1,640 feet away) and let the XM25's laser rangefinder decide when your grenade explodes. If a target is hiding, however, you can dial in extra distance (up to 2,300 feet away) and explode the grenade in mid-air. Troops theoretically don't have to expose themselves to line up a shot -- they just pick a close-enough point and pull the trigger.

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Just in time for new 4K and 5K iMacs, Apple released a major update of iMovie for OS X that adds 4K video editing, along with a slew of other changes. The iOS version of iMovie got 4K support last month to coincide with the debut of the iPhone 6s. Now that both versions of the movie editing suite support higher res video, you'll also be able to continue edits on your Mac that you've started with your iPhone or iPad. The updates won't bring professionals to iMovie anytime soon, but it could encourage regular consumers to explore the wonders of editing (so your family isn't stuck viewing your 30-minute home movie clips). Additionally, the new iMovie also supports 1080p at 60 frames per second for smoother footage, which is ideal for shooting sports and other action-heavy clips.

You should always err on the side of caution when drinking, but if you want an accurate estimate of your blood alcohol content (BAC), BACtrack's line of personal breathalyzers are the way to go. The ultra-portable BACtrack Vio Smartphone Breathalyzer connects to your smartphone via Bluetooth, while the free BACtrack app helps you easily estimate your BAC and get a sense of when it will return to zero. Meanwhile, a separate product, the BACtrack Mobile Smartphone Breathalyzer, offers the same functionality with even more accuracy. For a limited time, Engadget readers can grab the BACtrack Vio for 20 percent off ($39.99 plus free shipping), and save over 60 percent on the BACtrack Mobile ($79 with free shipping).That's the lowest price on the web for either product.

Video calling is a great example of a technology that once felt highly futuristic but is now available on nearly every computer and smartphone out there. FaceTime, Hangouts, Skype -- there are plenty of options, and they all work pretty well, and work in pretty much the same way. A new company called Nucleus thinks that there's still a lot of room for improvement in video calls, particularly in terms of connecting people instantly. That's the goal of its new product (also called Nucleus): it's a tablet you can mount on your wall or place on a counter that lets you connect with other users in less than a second.

It's a subtle pleasure, but not needing to plug cables in to charge your phone is a beautiful thing. If you have a smartphone that supports the Qi wireless standard (or an adapter), you can simply plop it down at work, near your bed or wherever you have a charger handy without thinking about cables. To promote this state of technological zen, UK-based Fonesalesman has been providing a variety of Qi charging solutions, from its eco-minded WoodPuck model to its portable and powerful QiStone+ version. Right now, the company is also running an Indiegogo for its newest product, the FurniQi table. It offers a minimalist design and a Qi charging zone embedded in the water-sealed bamboo tabletop. This week, two lucky readers will win the whole set including the table and two individual chargers. All you need to do is head to the Rafflecopter widget below for this wireless charging package from Fonesalesman.

Sprint continues to expand its in-home sales and service effort, making a trip to its retail stores a thing of the past. The carrier's Direct 2 You home delivery option is heading to seven more cities: Charlotte, Cincinnati, Las Vegas, Nashville, New Orleans, Pittsburgh and Salt Lake City. This means that if you're in those locales, the in-store experience comes to your home or office to save you a trip. Direct 2 You not only drops off your shiny new handset, but a Sprint employee can walk you through the setup, transferring contacts and answer any questions that may arise. The free service began back in April and is already available in New York, Los Angeles, Chicago, San Francisco and other major US cities. Sprint says it plans to take Direct 2 You to even more cities in 2016.

There's an insane new Chrome extension called "Shove" that we're sure nobody's going to misuse. As spotted by Wired, it lets you drop a web page onto your friend's browser, and vice-versa. Unlike skeevier apps like Peeple, however, it's strictly opt-in. Once both parties agree, they can open up links in each others' browsers anytime (seriously, there are no limitations) whether you want to see men in belted sweaters or not. Putting aside the off-the-charts security risks, I tried it with my UK colleague Matt Brian and it definitely works as advertised -- not only does it open a page up immediately, but it puts it front and center as the active tab.

Oil Spill Response

Three years ago, the Department of Justice brought Apple, and major publishers, to book for trying to maintain the prices at which e-books could be sold. As part of its punishment, the firm had to suffer the presence of a court-approved monitor, Michael Bromwich (pictured, left), placed to ensure that Apple cleaned up its act. Now, after many long months of having a third party roaming the halls of One Infinite Loop, the DoJ has concluded that Bromwich has done his job, and will no longer have to stand watch over the iBooks team.

Toshiba has unveiled the DynaPad, a 12-inch, Suface-pro like convertible that packs an exotic Wacom Active Electrostatics TruPen stylus. Microsoft revealed the news on its Windows blog, where it's been keen to promote third-party Windows 10 hardware after launching its own Surface Book. Toshiba says the stylus' 2,048 levels of pressure and specially coated 1,920 x 1,280 3:2 IPS screen help artists feel like they're "writing on paper with a real pen." However, the DynaPad's performance may disappoint artists familiar with the Surface Pro, as it's limited to a 1.44GHz Intel Atom CPU and 4GB of memory.

Drone wing

Google X's Project Wing concept was a unique take on the delivery drone: a single-winged UAV that took off and landed vertically. Despite extensive testing in Australia, the plan didn't work as well as the company hoped. In March this year Google X head Astro Teller announced the organization was working on a new design, and now, FAA documents show that two Google-built UAVs, codenamed the M2 and the B3, have been registered this month in the US. The M2 made the FAA registry on October 2nd, while the B3 was listed October 7th.

Today on In Case You Missed It: Boeing says it has produced the lightest material structure and the video demonstrates it by balancing a portion of its metal structure on top of a dandelion. A prototype for a swimming suit also acts as a water cleaner, absorbing pollutants with super-hydrophobic carbon-based material. And Makerarm combines everything we love about 3D printers with all kinds of other use cases because its robotic arm can be outfitted with many other tool heads.

Twitter Diversity

Those rumors of new Twitter CEO Jack Dorsey cutting jobs were unfortunately true. The social network has announced that it's axing up to 336 jobs, or about 8 percent of its total headcount. Dorsey argues that the move is necessary for a "streamlined" roadmap where Twitter focuses on fewer but bigger features, such as Moments. Most of the cuts will affect the engineering division, he says, since the company believes that a "smaller and nimbler" coding group would be more effective.


No, it's not just a CPU refresh. Apple started selling a new line of iMacs today, and yes, while they have fresh processors and graphics cards inside, that's really the least of it. Going forward, all the 27-inch models have a 5K screen -- not just the flagship we reviewed last year -- while the 21.5-inch version now has an optional 4K panel. Across the board, too, these new 4K and 5K displays have a wider color gamut, although the difference is fairly subtle. Possibly more important than the iMac itself, though, are the input devices: Apple redesigned the wireless keyboard, mouse and trackpad, adding rechargeable batteries and, in the case of the touchpad, pressure-sensitive Force Touch gestures.

I've been spending a few days with the new iMac, and chose to review the 4K 21.5-inch edition in particular since this is the first "small" iMac with a Retina display. Between the crisper screen, compact footprint and a lower price than the 27-inch models, it has the potential to hit the sweet spot for a lot of people. Just be sure to upgrade the hard drive before you place your order.

The smaller iMac gets a 4K display, all the 27-inch models have 5K

Apple's big fall keynote happened more than a month ago, so it's a bit late for Tim Cook to be saying "one more thing." Sure enough, though, the company just unveiled a refreshed line of iMacs, including a 21.5-inch model with an optional 4K (4,096 x 2,304) screen. That last bit shouldn't come as a surprise: The internet has already been abuzz with rumors that the smaller iMac would finally get a Retina display option, as opposed to just plain old 1080p. All told, the 4K iMac has 4.5 times the resolution of Full HD, with the same pixel density as the 5K version. Speaking of the sort, the 27-inch model now comes standard with a 5,120 x 2,880 panel, whereas 5K resolution was once reserved for a $2,499 flagship edition. Across the board, both the 4K and 5K iMacs bring a 25 percent wider color range, and upgrading to Apple's hybrid Fusion Drives costs about half as much as it used to ($100, down from $200 to $250). That said, it's a shame that 5,400 rpm HDDs are still the standard throughout much of the iMac lineup.

Toshiba has revealed more details about its Satellite Radius 12 Windows 10 convertible, including the price and availability. It looks like a serious contender if you're considering a Lenovo Yoga Pro 3, Microsoft Surface Book or another high-end convertible or Ultrabook, given the claimed all-day battery life, brushed metal case, 0.6-inch thickness and 2.9-pound weight. As for the screen, squeezing 4K into a 12.5-inch screen gives you 352 pixels-per-inch, which is now quaint for a smartphone, but stellar on a laptop (a 1080p option is also available). The screen is also coated with Gorilla glass and Technicolor-certified for color accuracy.

A service built on the two pillars of ephemerality and genitals was always going to be an unlikely destination for entertainment content. That's why it comes as little surprise that Snapchat is closing down Snap Channel, its portal for homegrown "TV" shows. According to Deadline Hollywood, the firm has also let go of Marcus Wiley, a high-profile comedy development executive that was hired in May of this year. Snap Channel had been withdrawn a few weeks ago, with Wiley charged with remaking the outlet in his own image. Unfortunately, original programming, much of it scripted, would have cost far more money than Snapchat wanted to spend. Now, the service will stick with using third-party content from other networks to provide a polite veneer behind which all those genital pictures can hide.

(L-R) CHARLIE COX as MATT MURDOCK and DEBORAH ANN WOLL as KAREN PAGE in the Netflix Original Series “Marvel’s Daredevil” 
Photo: Barry Wetcher
© 2014 Netflix, Inc. All rights reserved.

Netflix's second Marvel series, Jessica Jones, doesn't arrive until November 20th, but it's already teasing the next round of Daredevil. Season one was well received earlier this year, and this past weekend the cast dropped by New York Comic-Con for a panel and to meet with fans. You can check out the half-hour panel discussion embedded after the break, as well as a trailer that recaps season one and gives us glimpses at new characters Elektra and Frank Castle. Daredevil season two on Netflix is headed our way in 2016, along with a new series for Luke Cage.

Since a YouTube video's thumbnail could convince or deter viewers from hitting play, we're sure a lot of creators would love the website's new and improved automatic thumbnailer. According to the Google Research Blog's announcement post, the website analyzes videos you upload at one frame per second and scores each frame based on their quality. The generator will then display images that scored high enough during analysis. But, how exactly does YouTube's algorithm know how to score images? Apparently, by training it to recognize between good and bad photos.